Zippy Slim Dual 4,000 mAh Power Bank

Help attendees keep their devices charged during long conferences and events or offer clients, guests and employees the power they need when they're on the go! Customize this 4000mAh rechargeable lithium by imprinting your company logo or sponsor. This 4000 mAh rechargeable lithium polymer Grade A battery device is enough to charge smartphones, MP3 players and tablets during long meetings and corporate events. With a total max output of 5V/2.1A and dual output, it allows you to charge two devices simultaneously. The battery check button lets you know how much battery life you have left. The reusable power bank charges via the included USB cable, which can also recharge the battery backup or be used to charge up devices with a micro-USB input like Android smartphones from Samsung^®, Motorola^®, HTC^®, Nokia^®, and others. Input 5V 1000mA. Output 1:5V 2100mA/Output 2:5V 1000mA. Media device not included.